$(function(){
function runsex() {
    var sex = $('#sex').val();
  var s='男';
    if (sex==s) {
        $('.seximg').removeClass('fa-female');
        $('.seximg').addClass('fa-user-secret');
        $('.seximg').css("color","#2963FF");

    }
    else{
        $('.seximg').removeClass('fa-user-secret');
        $('.seximg').addClass('fa-female');
        $('.seximg').css("color","deeppink");
    }
}
    runsex();
});
